San Gabriel High (Data source)
Source data for San Gabriel High
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 1209342 | 2631 | - | 2628 | = | 3 | * | (542 | / | 542) | = | 3.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Gabriel High | 3 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 37589 | 2622 | - | 2628 | = | -6 | * | (543 | / | 543) | = | -6.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Gabriel High | -6 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 38432 | 2644 | - | 2628 | = | 16 | * | (573 | / | 573) | = | 16.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Gabriel High | 16 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 38404 | 2627 | - | 2628 | = | -1 | * | (522 | / | 522) | = | -1.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Gabriel High | -1 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 38602 | 2644 | - | 2628 | = | 16 | * | (485 | / | 485) | = | 16.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Gabriel High | 16 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
3 | -6 | 16 | -1 | 16 | 28.0 | 5.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 78% | 78% | 76% | 80% | 76% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alhambra Unified school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
San Gabriel High math proficiency
Zero+ meets standard.
65% less $meal
64% less $meal
60% less $meal
72% less $meal
69% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
High Schools (Public) schools in Alhambra Unified (3)
Alhambra High | Mark Keppel High | San Gabriel High |